Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7970400 | Connection type handover of voice over internet protocol call based on resource type | Martin Backstrom | 2011-06-28 |
| 7953396 | Reducing latency in push to talk services | Martin Backstrom | 2011-05-31 |